Mega Code Archive
Mouse Clicks and Resizing Circles
<![CDATA[
<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg width="100%" height="100%"
xmlns="http://www.w3.org/2000/svg">
<desc>Capture mouse click events</desc>
<script type="text/ecmascript">
function mouseClick1(evt)
{
var circle = evt.target;
var currentRadius = circle.getAttribute("r");
if(currentRadius == 50)
{
circle.setAttribute("r", currentRadius*2);
circle.setAttribute("fill", "#FF0000");
}else{
circle.setAttribute("r", currentRadius*0.5);
circle.setAttribute("fill", "#FFFF00");
}
}
</script>
<g transform="translate(50,40)">
<text x="0" y="0" font-size="30">
Click inside the circle
</text>
</g>
<g transform="translate(20,90)">
<rect x="0" y="0" width="500" height="300"
fill="#CCCCCC" stroke="blue"/>
<circle onclick="mouseClick1(evt)"
cx="250" cy="150" r="50" fill="blue"/>
</g>
</svg>
]]>